john stewart and stephen colbert will host events on the national mall just before the midterms. what a picture that is. stewart is promoting a ral toy restore sanity for those who have been too busy with normal lives to go to other rallies why colbert is promoting a march to keep fear alive, encouraging participants to bring an overnight bag and five extra sets of underwear. >>> and speaking of late-night comedy, late-night's jimmy fallon was talking with actor john hamm about the actor and they spoke about sort of the unique experience of hosting "saturday night live," and all the eyes that are sometimes watching. >> america's favorite newsman, brian williams. >> beloved by everyone. >> talking on the "today" show, he's obsessed with you, "mad men" of "saturday night live." >> a fan of the show. >> you've got to watch in this building. he knows where you are. kwuv got to watch. he could show up wherever. >> it will be fine. i'm not worried about that. not worried. [ applause ] >> that's just sad. >> yeah, yeah. hoo? omnaris. [ men ] omnaris -- to the nose! [ man ] did you know